title: Histamine content of tick attachment sites and the effects of H1 and H2 histamine antagonists on the expression of resistance.
mesh_terms: D000818:Animals; D003870:Dermacentor; D006168:Guinea Pigs; D006632:Histamine / Q000032:analysis*; D007113:Immunity, Innate / Q000187:drug effects; D008297:Male; D008785:Metiamide / Q000494:pharmacology*; D011398:Promethazine / Q000494:pharmacology*; D012867:Skin / Q000032:analysis*; D013890:Thiourea / Q000031:analogs & derivatives*; D013984:Tick Infestations / Q000276:immunology / Q000378:metabolism*
chemical_list: D008785:Metiamide; D006632:Histamine; D011398:Promethazine; D013890:Thiourea